- Somaybeyoudon'twanttouseastylusmadeoutofasock.That'sfine.Todrawlines,theetchaSketch'sstylusscrapesaluminumpowderfromtheundersideofaglassscreen.Userscancontroloneofthesensorstomanipulateitscameraandlaserrangefinderwithatouchscreenandstyluswhileanau...
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